11211401 has 2 divisors, whose sum is σ = 11211402. Its totient is φ = 11211400.

The previous prime is 11211383. The next prime is 11211437. The reversal of 11211401 is 10411211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 1452025 = 3124^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211401 - 2¹⁰ = 11210377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11219401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605700 + 5605701.

It is an arithmetic number, because the mean of its divisors is an integer number (5605701).

Almost surely, 2^11211401 is an apocalyptic number.

It is an amenable number.

11211401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211401 is an equidigital number, since it uses as much as digits as its factorization.

11211401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11211401 is about 3348.3430230489. The cubic root of 11211401 is about 223.8136803650.

Adding to 11211401 its reverse (10411211), we get a palindrome (21622612).

The spelling of 11211401 in words is "eleven million, two hundred eleven thousand, four hundred one".